نتایج جستجو برای: chemokine receptor
تعداد نتایج: 605638 فیلتر نتایج به سال:
Chemokines and their receptors are involved in the recruitment of leukocytes to sites of inflammation. Recently, chemokine expression signatures have been reported to convey a prognostic value in myelodysplastic syndrome (MDS) patients. In the present study, we investigated the chemokine receptor repertoire on fresh peripheral blood lymphocytes from 31 (22 low-risk and 9 high-risk) patients aff...
Intratumoral hypoxia induces the recruitment of stromal cells, such as macrophages and mesenchymal stem cells (MSCs), which stimulate invasion and metastasis by breast cancer cells (BCCs). Production of macrophage colony-stimulating factor 1 (CSF1) by BCCs is required for macrophage recruitment, but the mechanisms underlying CSF1 expression have not been delineated. Triple-negative breast cance...
Studies from a number of laboratories suggest that modulation of cytokine expression plays an integral role in the immunomodulatory activity of opioids. Previously, our laboratory reported that activation of the mu-opioid receptor induced the expression of CCL2, CCL5, and CXCL10, as well as CCR5 and CXCR4. Previous work has also suggested the possibility that TGF-beta may participate in the opi...
Tyrosine sulfation, a post-translational modification found on many chemokine receptors, typically increases receptor affinity for the chemokine ligand. A previous bioinformatics analysis suggested that a sulfotyrosine (sY)-binding site on the surface of the chemokine CXCL12 may be conserved throughout the chemokine family. However, the extent to which receptor tyrosine sulfation contributes to...
Leukocyte recruitment to sites of infection or tissue damage plays a crucial role for the innate immune response. Chemokine-dependent signaling in immune cells is a very important mechanism leading to integrin activation and leukocyte recruitment. CXC chemokine receptor 2 (CXCR2) is a prominent chemokine receptor on neutrophils. During the last years, several studies were performed investigatin...
Bone marrow-derived mesenchymal stem cells (BM-MSCs) are stromal cells with the ability to proliferate and differentiate into many tissues. Although they represent powerful tools for several therapeutic settings, mechanisms regulating their migration to peripheral tissues are still unknown. Here, we report chemokine receptor expression on human BM-MSCs and their role in mediating migration to t...
The question of why certain types of tumors often metastasize to the same organs has intrigued scientists for over a century. In 1889, Paget put forth the ‘‘seed and soil’’ concept that cancer cells (seed) spread in a nonrandom fashion to distant target organs where they are drawn based on a conducive microenvironmental milieu (soil; ref. 1). A second concept that has been around for sometime i...
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